/**
 * Copyright (c) 2004-2006, Martin Fiedler.  All rights reserved.
 * Copyright (c) 2012, Ken Anderson.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 **/
 
#ifndef __COMMON_H__
#define __COMMON_H__

#ifdef __cplusplus
	extern "C" {
#endif

//#define USE_X86_ASM

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "perf.h"
#include "main.h"

#ifdef _MSC_VER
  #undef inline
  #define inline __inline /* (VC++ specific) */
#else
  //#define INLINE inline        /* use standard inline */
#endif

#define CONST static const

#define ExtractSign(x) ((x)>>31)
#define CombineSign(sign,value) ((sign)?(-(value)):(value))

frame *alloc_frame(int width, int height);
void free_frame(frame *f);

#define CustomClip(i,min,max) (((i)<min)?min:(((i)>max)?max:(i)))
#define Clip(i) CustomClip(i,0,255)

#ifdef __cplusplus
	}
#endif

#endif /*__COMMON_H__*/
